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Sulfate


Ion clustering data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Clustering reactions

Sulfate + 6Water = H12O10S-2

By formula: O4S-2 + 6H2O = H12O10S-2

Quantity Value Units Method Reference Comment
Deltar35.6 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; B

Sulfate + 12Water = H24O16S-2

By formula: O4S-2 + 12H2O = H24O16S-2

Quantity Value Units Method Reference Comment
Deltar44.8 ± 8.4kJ/molTDAsBlades and Kebarle, 2005gas phase; B
Quantity Value Units Method Reference Comment
Deltar20. ± 8.4kJ/molTDAsBlades and Kebarle, 2005gas phase; B

Sulfate + 13Water = H26O17S-2

By formula: O4S-2 + 13H2O = H26O17S-2

Quantity Value Units Method Reference Comment
Deltar21. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 14Water = H28O18S-2

By formula: O4S-2 + 14H2O = H28O18S-2

Quantity Value Units Method Reference Comment
Deltar21. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 15Water = H30O19S-2

By formula: O4S-2 + 15H2O = H30O19S-2

Quantity Value Units Method Reference Comment
Deltar19. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 16Water = H32O20S-2

By formula: O4S-2 + 16H2O = H32O20S-2

Quantity Value Units Method Reference Comment
Deltar18. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 17Water = H34O21S-2

By formula: O4S-2 + 17H2O = H34O21S-2

Quantity Value Units Method Reference Comment
Deltar18. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 18Water = H36O22S-2

By formula: O4S-2 + 18H2O = H36O22S-2

Quantity Value Units Method Reference Comment
Deltar16. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

Sulfate + 19Water = H38O23S-2

By formula: O4S-2 + 19H2O = H38O23S-2

Quantity Value Units Method Reference Comment
Deltar15. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker; B

(Sulfate bullet 5Water) + Water = (Sulfate bullet 6Water)

By formula: (O4S-2 bullet 5H2O) + H2O = (O4S-2 bullet 6H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar36.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Sulfate bullet 6Water) + Water = (Sulfate bullet 7Water)

By formula: (O4S-2 bullet 6H2O) + H2O = (O4S-2 bullet 7H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar31.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Sulfate bullet 7Water) + Water = (Sulfate bullet 8Water)

By formula: (O4S-2 bullet 7H2O) + H2O = (O4S-2 bullet 8H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar28.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Sulfate bullet 8Water) + Water = (Sulfate bullet 9Water)

By formula: (O4S-2 bullet 8H2O) + H2O = (O4S-2 bullet 9H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar25.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Sulfate bullet 9Water) + Water = (Sulfate bullet 10Water)

By formula: (O4S-2 bullet 9H2O) + H2O = (O4S-2 bullet 10H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar23.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

(Sulfate bullet 10Water) + Water = (Sulfate bullet 11Water)

By formula: (O4S-2 bullet 10H2O) + H2O = (O4S-2 bullet 11H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar21.kJ/molES/HPMSBlades, Klassen, et al., 1995gas phase; M

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]

Blades and Kebarle, 2005
Blades, A.T.; Kebarle, P., Sequential hydration energies of the sulfate ion, from determinations of the equilibrium constants for the gas-phase reactions: SO4(H2O)(n)(2-) = SO4(H2O)(n-1)(2-)+H2O, J. Phys. Chem. A, 2005, 109, 37, 8293-8298, https://doi.org/10.1021/jp0540353 . [all data]


Notes

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